4 * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
7 * Gonglei <arei.gonglei@huawei.com>
9 * This work is licensed under the terms of the GNU GPL, version 2 or
10 * (at your option) any later version. See the COPYING file in the
11 * top-level directory.
14 #include "qemu/osdep.h"
15 #include "hw/pci/pci.h"
16 #include "hw/virtio/virtio.h"
17 #include "hw/virtio/virtio-bus.h"
18 #include "hw/virtio/virtio-pci.h"
19 #include "hw/virtio/virtio-crypto.h"
20 #include "qapi/error.h"
22 typedef struct VirtIOCryptoPCI VirtIOCryptoPCI
;
25 * virtio-crypto-pci: This extends VirtioPCIProxy.
27 #define TYPE_VIRTIO_CRYPTO_PCI "virtio-crypto-pci"
28 #define VIRTIO_CRYPTO_PCI(obj) \
29 OBJECT_CHECK(VirtIOCryptoPCI, (obj), TYPE_VIRTIO_CRYPTO_PCI)
31 struct VirtIOCryptoPCI
{
32 VirtIOPCIProxy parent_obj
;
36 static Property virtio_crypto_pci_properties
[] = {
37 DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy
, flags
,
38 VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT
, true),
39 DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy
, nvectors
, 2),
40 DEFINE_PROP_END_OF_LIST(),
43 static void virtio_crypto_pci_realize(VirtIOPCIProxy
*vpci_dev
, Error
**errp
)
45 VirtIOCryptoPCI
*vcrypto
= VIRTIO_CRYPTO_PCI(vpci_dev
);
46 DeviceState
*vdev
= DEVICE(&vcrypto
->vdev
);
48 if (vcrypto
->vdev
.conf
.cryptodev
== NULL
) {
49 error_setg(errp
, "'cryptodev' parameter expects a valid object");
53 qdev_set_parent_bus(vdev
, BUS(&vpci_dev
->bus
));
54 virtio_pci_force_virtio_1(vpci_dev
);
55 object_property_set_bool(OBJECT(vdev
), true, "realized", errp
);
56 object_property_set_link(OBJECT(vcrypto
),
57 OBJECT(vcrypto
->vdev
.conf
.cryptodev
), "cryptodev",
61 static void virtio_crypto_pci_class_init(ObjectClass
*klass
, void *data
)
63 DeviceClass
*dc
= DEVICE_CLASS(klass
);
64 VirtioPCIClass
*k
= VIRTIO_PCI_CLASS(klass
);
65 PCIDeviceClass
*pcidev_k
= PCI_DEVICE_CLASS(klass
);
67 k
->realize
= virtio_crypto_pci_realize
;
68 set_bit(DEVICE_CATEGORY_MISC
, dc
->categories
);
69 dc
->props
= virtio_crypto_pci_properties
;
70 pcidev_k
->class_id
= PCI_CLASS_OTHERS
;
73 static void virtio_crypto_initfn(Object
*obj
)
75 VirtIOCryptoPCI
*dev
= VIRTIO_CRYPTO_PCI(obj
);
77 virtio_instance_init_common(obj
, &dev
->vdev
, sizeof(dev
->vdev
),
81 static const VirtioPCIDeviceTypeInfo virtio_crypto_pci_info
= {
82 .generic_name
= TYPE_VIRTIO_CRYPTO_PCI
,
83 .instance_size
= sizeof(VirtIOCryptoPCI
),
84 .instance_init
= virtio_crypto_initfn
,
85 .class_init
= virtio_crypto_pci_class_init
,
88 static void virtio_crypto_pci_register_types(void)
90 virtio_pci_types_register(&virtio_crypto_pci_info
);
92 type_init(virtio_crypto_pci_register_types
)